bridgeport, connecticut, raised over $100,000 to fund a gun buyback. gun owners cashed in their weapons. >> even if you get one off the street it is one less that has the potential to get into the wrong hands. >> reporter: the national debate reignited with a proposal to station armed guards in every school in the country. >> the only thing that stops a bad guy with a gun is a good guy with a gun. >> reporter: several school districts already have armed officers in their schools. abc news, new york. >>> as you just heard and probably know, the national rifle association national school shield proposal unveiled in the wake of the connecticut shoe shooting calls for every school to have an armed guard for protection but is that the answer? on abc's this week this george stephanopoulos asa hutchinson compares the current nra proposal with the national debate that took place before armed air martials were put on planes in an effort to deter terrorism. >> it was an intense debate that on o airplanes guns have no place. it has increased the security of the a